Mossberg 500 ATI Tactical 12 Gauge, 18.5 Inch Barrel, Magpul SGA Stock & MOE Forend (FDE), Factory Railed Heat Shield, 5+1
This Mossberg 500 ATI Tactical (SKU 50424) stands out for its upgraded Magpul furniture in Flat Dark Earth, factory railed heat shield with winged front block, and receiver-top Picatinny rail with a receiver-mounted polymer shotshell carrier. It features an 18.5 inch cylinder bore barrel, a gold bead front sight, and a rugged matte black finish. Made in the United States and packed on 04/20/2022, this configuration blends factory ATI Tactical features with high-quality Magpul enhancements.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Notes: Minor, superficial scratches and small blemishes are present on exterior surfaces. The bore is clean and shiny.
What's Included
- Mossberg factory cardboard box with item label 50424
- Mossberg pump-action shotguns owner's manual
- Magpul SGA 500 stock (FDE, installed)
- Magpul MOE 500 forend (FDE, installed)
- Magpul SGA stock spacer kit (FDE)
- Magpul SGA stock box MAG490-FDE
- OEM collapsible carbine-style stock (FDE, unattached)
- OEM pistol grip (FDE, unattached)
- OEM synthetic forend (FDE, unattached)
- Receiver-mounted polymer shotshell carrier with integrated top Picatinny rail (installed)
The ATI Tactical package provides a compact 18.5 inch cylinder bore barrel, a gold bead front sight, and a 5+1 capacity in a proven pump-action layout. The matte black finish and aluminum alloy receiver deliver a clean, purpose-built look.
Factory ATI components include the railed heat shield with a winged front block and multiple Picatinny sections, plus a receiver-top rail. A receiver-mounted polymer shotshell carrier is installed for on-gun shell storage and adds integrated rail across the top of the receiver.
Upgraded Magpul furniture sets this example apart. The SGA 500 stock in FDE offers a spacer-adjustable length of pull with a recoil pad and is currently set to 12.0 inches. The matching MOE 500 forend in FDE provides durable polymer construction with M-LOK slots.
Controls and core features are classic Mossberg: tang safety, smooth pump-action operation, and a bead sighting setup. This United States–made shotgun is identified as Mossberg 500 ATI Tactical, mfg part number 50424, with the current FDE Magpul configuration installed and original ATI furniture included unattached.




